20473504676 has 6 divisors (see below), whose sum is σ = 35828633190. Its totient is φ = 10236752336.

The previous prime is 20473504669. The next prime is 20473504687. The reversal of 20473504676 is 67640537402.

It can be written as a sum of positive squares in only one way, i.e., 19917676900 + 555827776 = 141130^2 + 23576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559188081 + ... + 2559188088.

It is an arithmetic number, because the mean of its divisors is an integer number (5971438865).

Almost surely, 2^20473504676 is an apocalyptic number.

It is an amenable number.

20473504676 is a deficient number, since it is larger than the sum of its proper divisors (15355128514).

20473504676 is a wasteful number, since it uses less digits than its factorization.

20473504676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118376173 (or 5118376171 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 20473504676 in words is "twenty billion, four hundred seventy-three million, five hundred four thousand, six hundred seventy-six".